An estate in Connecticut is currently listed as America's most expensive home for sale, at $190 million.

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According to Forbes, Copper Beech Farm is one of Greenwich's last "Great Estates," a designation assigned by the Junior League of Greenwich.

The estate is nearly 30 percent pricier than the country's second most expensive home, the $135 million Crespi-Hicks estate in Dallas.

Copper Beech Farm spans 50 acres and about a mile of frontage on Long Island Sound. The main mansion has 13,519 square feet of living space, including 12 bedrooms, seven full baths and two half-baths, a wood-paneled library, a third-floor staff wing and a wine cellar.

Two conjoined swimming pools stretch 75 feet, and there's also a spa and an octagonal pool house.

Whether the estate can fetch its $190 million asking price remains to be seen. The area's most expensive waterfront home sale was a 21,000-square-foot mansion that sold for $39.5 million in 2011, according to Forbes.